PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.
Since the green leaves contain some , the ignition temperature , making it difficult to burn. On the other hand, dry leaves are and quickly catch fire (having ignition temperature).
2. Which zone of a flame does a goldsmith use for melting gold and silver and why?
To melt gold and silver, a goldsmith uses the of a flame, which is the hottest and has the highest temperature.